CVE-2026-74034 Wazuh - Broken Access Control

Wazuh 4.1.0 before 4.14.8 contains a missing origin check in wm_agent_upgrade, letting enrolled agents read arbitrary files as root via upgrade_custom commands with attacker-controlled file_path, exploit requires enrolled agent access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
File System Read, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Upgrade to version 4.14.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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